Off-axis reflecting telescope with axially-symmetric optical property and its applications

Seunghyuk Chang

doi:10.1117/12.672695

16 June 2006 Off-axis reflecting telescope with axially-symmetric optical property and its applications

Seunghyuk Chang

Proceedings Volume 6265, Space Telescopes and Instrumentation I: Optical, Infrared, and Millimeter; 626548 (2006) https://doi.org/10.1117/12.672695
Event: SPIE Astronomical Telescopes + Instrumentation, 2006, Orlando, Florida , United States

Abstract

The basic concept and fundamental result of a recently developed geometric aberration theory for classical off-axis reflecting telescopes and imaging systems are presented. It is shown that a classical off-axis reflecting telescope can be designed to have practically axially-symmetric optical property by eliminating the dominant aberration (linear astigmatism) caused by the asymmetric geometry. A simple closed-form equation for elimination of linear astigmatism is presented. Also, to show how the developed aberration theory can be applied to current and future telescopes, several off-axis reflecting telescopes and imaging systems are designed and analyzed.

Citation Download Citation

Seunghyuk Chang "Off-axis reflecting telescope with axially-symmetric optical property and its applications", Proc. SPIE 6265, Space Telescopes and Instrumentation I: Optical, Infrared, and Millimeter, 626548 (16 June 2006); https://doi.org/10.1117/12.672695

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